• Book Name: Touhou - Sekai de Ichiban Onee-sama!! (Doujinshi) Manga
• Alternative(s): Touhou Project dj - Sekai de Ichiban Onee-sama!!; Touhou Project dj - World's #1 Onee-sama!!; Touhou Project dj - World's #1 Oneesama!!; Touhou Project dj - World's Number One Onee-sama!!; Touhou Project dj - World's Number One Oneesama!!; 東方Project dj - 世界でいちばんお姉さま!!
• Genre(s): Doujinshi Fantasy
• Author(s): Millet Soup (Circle) & Kibi Satou
• Status: Completed Download Manga
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Summary: Remilia wants to prove she’s a great sister in Flan’s moment of need. Somehow Alice gets deeply involved in it too.